PRACTICE SET KVS PGT COMPUTER SCIENCE
- An operating system is
(b) a collection of input-output devices
(c) a collection of software routines
(d) All the above
2. Time sharing provides
(a) disk management
(b) file system management
(c) concurrent execution
(d) All the above
3. Which of the following is/are the objective of operating system?
(a) Scan the system
(b) Provide a connectivity
(c) Management the system hardware
(d) All the above
4. The primary job of the operating system of a computer is to
(a) command resources
(b) manage resources
(c) provide utilities
(d) provide connection
5. The term 'time sharing' has been replaced by ...................
(a) multi-programming system
(b) multi-processing system
(c) multi-tasking system
(d) multi-execution system
6. The primary function of an operating system is
6. The primary function of an operating system is
(a) memory management
(b) process management
(c) disk and I/O device management
(d) multi-execution system
7. The primary purpose of an operating system
(a) To make the most efficient use of the computer hardware
7. The primary purpose of an operating system
(a) To make the most efficient use of the computer hardware
(b) to allow people to use the computer
(c) to keep systems programmers
(d) to make computer easier to use
8. The term operating system means
(a) A set of programs which controls computer program
(b) The way a computer operating means
(c) conversion of the high level into machine level language
(d) the way a floppy disk drive operates
9. The operating system manages
(a) memory
(b) process
(c) disk and I/O devices
(d) All of the above
10. What is the function of an operating
(a) manages computer's resources very efficiently
(b) Take care of scheduling jobs for execution
(c) manages the flow of data and instruction
(d) All of the above
11. Which is not the function of the operating system
(a) memory management
(b) disk management
(c) application management
(d) virus protection
12. Which of the following is system software?
(a) operating system
(b) compiler
(c) utilities
(d) All of the above
13. A process having multiple threads of control, implies
(a) more than one task at a time
(b) only one task at a time, but much faster
(c) only one thread per process to use
(d) All of the above
(c) to keep systems programmers
(d) to make computer easier to use
8. The term operating system means
(a) A set of programs which controls computer program
(b) The way a computer operating means
(c) conversion of the high level into machine level language
(d) the way a floppy disk drive operates
9. The operating system manages
(a) memory
(b) process
(c) disk and I/O devices
(d) All of the above
10. What is the function of an operating
(a) manages computer's resources very efficiently
(b) Take care of scheduling jobs for execution
(c) manages the flow of data and instruction
(d) All of the above
(a) memory management
(b) disk management
(c) application management
(d) virus protection
12. Which of the following is system software?
(a) operating system
(b) compiler
(c) utilities
(d) All of the above
13. A process having multiple threads of control, implies
(a) more than one task at a time
(b) only one task at a time, but much faster
(c) only one thread per process to use
(d) All of the above
14. A thread
(a) is light weight process where the context switching is low
(b) is a light weight process where the context switching is high
(c) is used to speed up paging
(d) None of the above
15. An executed program of computer system is called
(a) trap
(b) process
(c) program
(d) interrupt
16. Operating System maintains the page table for
(a) each process
(b) each thread
(c) each instruction
(d) each address
17. Device drivers are implemented to interface
(a) character devices
(b) block devices
(c) network devices
(d) All of the above
18. Thread scheduling of operating system programs is done by
(a) input
(b) output
(c) operating system
(d) memory
19. A process of operating system for execution needs
(a) throughput
(b) timers
(c) resources
(d) both (1) and (2)
20. ................ is preemptive scheduling algorithm
(a) Shortest job first
(b) Round-robin
(c) Priority based
(d) Shortest job next
(b) is a light weight process where the context switching is high
(c) is used to speed up paging
(d) None of the above
15. An executed program of computer system is called
(a) trap
(b) process
(c) program
(d) interrupt
16. Operating System maintains the page table for
(a) each process
(b) each thread
(c) each instruction
(d) each address
17. Device drivers are implemented to interface
(a) character devices
(b) block devices
(c) network devices
(d) All of the above
18. Thread scheduling of operating system programs is done by
(a) input
(b) output
(c) operating system
(d) memory
19. A process of operating system for execution needs
(a) throughput
(b) timers
(c) resources
(d) both (1) and (2)
20. ................ is preemptive scheduling algorithm
(a) Shortest job first
(b) Round-robin
(c) Priority based
(d) Shortest job next
Answer- 1 (c), 2 (d), 3 (c), 4 (b), 5 (c), 6 (d), 7(a), 8(2), 9(d), 10(d), 11(d), 12(a), 13(a), 14(b), 15(b)
16(a), 17(d), 18(c), 19(c), 20(a)
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